Europe is at a crossroads. The tools it has to dissuade Donald Trump from acquiring Greenland are strong, slow to roll out, ...

A look at the traditional farmhouses now commonly called kominka—“old folk dwellings”—a name that underscores their age. They ...

But under PAHO’s definition of elimination, borders matter. If, for example, the chain of measles that started in the U.S. spread to Mexico and then returned to the U.S. anew, it would be considered a ...